Find flights
Deals
Insights
When to book
FAQs & Tips

$106 Find cheap flights from Portland, Maine to Houston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Houston departing on 6/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 6/29
Sat 7/6

Search hundreds of travel sites at once for deals on flights to Houston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Houston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Houston, as well as popular online travel agencies
In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Portland to Houston (PWM-HOU)

 
These are the cheapest deals for flights from Portland to Houston currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Portland to Houston

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Portland to Houston.

Recent one-way flight deals from Portland to Houston

Only flying one-way? Below are some of the best one-way flight deals from Portland to Houston found on KAYAK recently.

Recent last minute flight deals from Portland to Houston

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Portland to Houston.

Recent direct flight deals from Portland to Houston

The latest deals for direct flights from Portland to Houston so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Portland to Houston

Find recent round-trip train or bus tickets from Portland to Houston.

All round-trip flight deals to Houston

The cheapest plane tickets to Houston found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
8:52 pm - 8:47 amPWM-IAH
12h 55m1 stop
6:15 pm - 12:57 pmIAH-PWM
17h 42m1 stop
$219Frontier
Find Deal
Thu, Jun 20 - Sat, Jun 22
4:03 pm - 11:48 pmPWM-HOU
8h 45m2 stops
8:11 am - 5:20 pmHOU-PWM
8h 09m1 stop
$320American Airlines
Find Deal
Wed, Oct 2 - Tue, Oct 22
5:30 am - 3:33 pmPWM-HOU
11h 03m2 stops
1:00 pm - 11:07 pmHOU-PWM
9h 07m2 stops
$326Delta
Find Deal
Wed, Oct 2 - Tue, Oct 22
3:34 pm - 11:48 pmPWM-HOU
9h 14m1 stop
6:00 am - 2:49 pmHOU-PWM
7h 49m1 stop
$356American Airlines
Find Deal
Fri, Sep 6 - Mon, Sep 9
4:03 pm - 11:48 pmPWM-HOU
8h 45m2 stops
5:00 am - 2:49 pmHOU-PWM
8h 49m1 stop
$360American Airlines
Find Deal
Fri, Sep 6 - Mon, Sep 9
5:03 am - 12:10 pmPWM-HOU
8h 07m2 stops
10:30 am - 11:07 pmHOU-PWM
11h 37m2 stops
$366Delta
Find Deal
Fri, Sep 6 - Mon, Sep 9
3:34 pm - 11:48 pmPWM-HOU
9h 14m1 stop
5:00 am - 2:49 pmHOU-PWM
8h 49m1 stop
$371American Airlines
Find Deal
Thu, Sep 19 - Sun, Sep 22
1:30 pm - 1:05 pmPWM-IAH
24h 35m3 stops
2:35 pm - 9:09 amIAH-PWM
17h 34m2 stops
$397
Find Deal
Wed, Jul 17 - Sun, Jul 21
12:08 pm - 9:26 amPWM-IAH
22h 18m2 stops
6:02 pm - 11:27 amIAH-PWM
16h 25m1 stop
$409
Find Deal
Wed, Jun 5 - Fri, Jun 7
3:34 pm - 11:48 pmPWM-HOU
9h 14m1 stop
8:11 am - 5:20 pmHOU-PWM
8h 09m1 stop
$411American Airlines
Find Deal
Wed, Oct 2 - Tue, Oct 22
9:55 pm - 8:59 amPWM-IAH
12h 04m1 stop
$106Frontier
Find Deal
Tue, Jun 18
11:40 am - 1:39 pmPWM-HOU
26h 59m1 stop
$139Frontier
Find Deal
Tue, Jun 18
10:01 pm - 8:57 amPWM-IAH
11h 56m1 stop
$144Frontier
Find Deal
Sun, Jul 14
7:37 pm - 6:28 pmPWM-HOU
23h 51m1 stop
$149Frontier
Find Deal
Sun, Jul 14
1:00 pm - 8:14 pmPWM-IAH
8h 14m1 stop
$165American Airlines
Find Deal
Wed, Jun 12
6:15 am - 12:14 pmPWM-HOU
6h 59m1 stop
$166Delta
Find Deal
Wed, Jun 12
12:08 pm - 9:26 amPWM-IAH
22h 18m2 stops
$166
Find Deal
Wed, Jun 12
1:30 pm - 11:15 pmPWM-IAH
34h 45m3 stops
$167
Find Deal
Wed, Jun 12
4:00 pm - 11:53 pmPWM-HOU
8h 53m2 stops
$170American Airlines
Find Deal
Wed, Jun 12
6:01 am - 4:03 pmPWM-HOU
11h 02m2 stops
$171Delta
Find Deal
Wed, Jun 12

Flights from Portland to Houston - Travel Insights & Trends

Get data-powered insights and trends into flights from Portland to Houston to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Portland to Houston?

The average price of all flights from Portland, Maine to Houston clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Houston on a Tuesday and more expensive on a Saturday. On your return trip to Portland, you should consider flying back on a Tuesday, and avoid Mondays for better deals.

What is the cheapest month to fly from Portland, Maine to Houston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Portland, Maine to Houston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Portland, Maine to Houston is September, where tickets cost $332 on average. On the other hand, the most expensive months are April and May, where the average cost of tickets is $686 and $644 respectively.

How far in advance should I book a flight from Portland, Maine to Houston?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Portland, Maine to Houston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Portland, Maine to Houston, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 32 days before departure.

Which airlines provide the cheapest flights from Portland to Houston?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Frontier ($106) and American Airlines ($165). The cheapest round-trip tickets were found on Frontier ($219) and American Airlines ($320).

Good to know

Cheapest flight

$106
Flight from Portland to Houston George Bush Airport

When to book flights from Portland to Houston

Are your dates flexible? Find out the best times to travel from Portland to Houston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to Houston

  • What is the cheapest flight from Portland, Maine to Houston?

    In the last 3 days, the lowest price for a flight from Portland, Maine to Houston was $106 for a one-way ticket and $219 for a round-trip.

  • Do I need a passport to fly between Portland and Houston?

    Yes, you’ll need a passport to travel to Houston from Portland.

  • Which airports will I be using when flying from Portland to Houston?

    Portland is served by only 1 airport and there are 2 airports in Houston. You will leave Portland from Portland and you will be arriving in Houston at one of these airports: Houston Hobby or Houston George Bush Intcntl.

  • Which aircraft models fly most regularly from Portland to Houston?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Portland to Houston?

    oneworld, and SkyTeam are the airline alliances operating flights between Portland and Houston, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Portland to Houston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Houston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Houston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Houston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Houston with an airline and back to Portland with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Houston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Portland to Houston

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Portland to Houston found on KAYAK in the last 72 hours.
6/18Tue
1 stopFrontier
12h 04mPWM-IAH
$106
6/18Tue
1 stopFrontier
26h 59mPWM-HOU
$139
7/14Sun
1 stopFrontier
11h 56mPWM-IAH
$144
7/14Sun
1 stopFrontier
23h 51mPWM-HOU
$149
6/12Wed
1 stopAmerican Airlines
8h 14mPWM-IAH
$165
6/12Wed
1 stopDelta
6h 59mPWM-HOU
$166
6/12Wed
2 stops
22h 18mPWM-IAH
$166
6/12Wed
3 stops
34h 45mPWM-IAH
$167
6/12Wed
2 stopsAmerican Airlines
8h 53mPWM-HOU
$170
6/12Wed
2 stopsDelta
11h 02mPWM-HOU
$171

Search by stops

Search by airline

Search by price

Portland - Houston Flights

Departure:

Portland (PWM)United States

Return flight deals:

Houston - Portland

Cabin classes:

Browse origins:

Browse destinations: